From b34b9a42fbf0737d09759f91f54e068f7cf7b4da Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Aleksy=20Wr=C3=B3blewski?= Date: Wed, 27 Jun 2018 17:48:59 +0000 Subject: [PATCH] / to % --- hw4.py | 166 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 83 insertions(+), 83 deletions(-) diff --git a/hw4.py b/hw4.py index 11758db..ce11219 100644 --- a/hw4.py +++ b/hw4.py @@ -1,84 +1,84 @@ -from poly import Polynomial -from sys import argv -from ast import literal_eval -from fractions import gcd - -class QuotientRing(): - def __init__(self, f, m): - self.f = Polynomial(f, m) - self.m = m - self.remainders = self.remainders() - self.reversibles = self.reversibles() - self.zero_divisors = self.zero_divisors() - self.idempotent = self.idempotent() - self.nilpotent = self.nilpotent() - - def remainders(self): #n - exponent - rems = [] #lista reszt - m = self.m - t = [0] - i = 0 - while len(t) < len(self.f.poly): - rems.append(Polynomial(t, m)) - i = (i + 1) % m - t[0] = i - if i == 0: - if len(t) == 1: - t.append(1) - else: - t[1] += 1 - for j in range(1, len(t)): - if t[j] == 0 or t[j] % m != 0: - break - temp = t[j] % m - t[j] = 0 - if temp == 0: - if (j + 1) < len(t): - t[j+1] += 1 - else: - t.append(1) - return rems - - def reversibles(self): - return [ rem for rem in self.remainders if len(rem.poly_gcd(self.f).poly) == 1 ] - - #dopelnienie elementow odwracalnych - def zero_divisors(self): - return [ rem for rem in self.remainders if rem not in self.reversibles ] - - def idempotent(self): - idems = [] - for rem in self.remainders: - if (rem * rem / self.f) == (rem / self.f): - idems.append(rem) - try: - if idems[0].poly == []: #implementacja wielomianow ucina zera - idems[0].poly = [0] - except IndexError: - return idems - return idems - - def nilpotent(self): - nils = [] - phi = len([ i for i in range(1, self.m) if gcd(i, self.m) == 1 ]) - for zero_div in self.zero_divisors: - for i in range(self.m): - if len((zero_div ** i / self.f).poly) == 0: - nils.append(zero_div) - break - return nils - -def main(): - m = int(argv[1]) - f = literal_eval(argv[2]) - qr = QuotientRing(f, m) - out = [ - [ rev.poly for rev in qr.reversibles ], - [ zero_div.poly for zero_div in qr.zero_divisors ], - [ nil.poly for nil in qr.nilpotent ], - [ idem.poly for idem in qr.idempotent ] - ] - print(*out, sep='\n') - -if __name__ == '__main__': +from poly import Polynomial +from sys import argv +from ast import literal_eval +from fractions import gcd + +class QuotientRing(): + def __init__(self, f, m): + self.f = Polynomial(f, m) + self.m = m + self.remainders = self.remainders() + self.reversibles = self.reversibles() + self.zero_divisors = self.zero_divisors() + self.idempotent = self.idempotent() + self.nilpotent = self.nilpotent() + + def remainders(self): #n - exponent + rems = [] #lista reszt + m = self.m + t = [0] + i = 0 + while len(t) < len(self.f.poly): + rems.append(Polynomial(t, m)) + i = (i + 1) % m + t[0] = i + if i == 0: + if len(t) == 1: + t.append(1) + else: + t[1] += 1 + for j in range(1, len(t)): + if t[j] == 0 or t[j] % m != 0: + break + temp = t[j] % m + t[j] = 0 + if temp == 0: + if (j + 1) < len(t): + t[j+1] += 1 + else: + t.append(1) + return rems + + def reversibles(self): + return [ rem for rem in self.remainders if len(rem.poly_gcd(self.f).poly) == 1 ] + + #dopelnienie elementow odwracalnych + def zero_divisors(self): + return [ rem for rem in self.remainders if rem not in self.reversibles ] + + def idempotent(self): + idems = [] + for rem in self.remainders: + if (rem * rem % self.f) == (rem % self.f): + idems.append(rem) + try: + if idems[0].poly == []: #implementacja wielomianow ucina zera + idems[0].poly = [0] + except IndexError: + return idems + return idems + + def nilpotent(self): + nils = [] + phi = len([ i for i in range(1, self.m) if gcd(i, self.m) == 1 ]) + for zero_div in self.zero_divisors: + for i in range(self.m): + if len((zero_div ** i % self.f).poly) == 0: + nils.append(zero_div) + break + return nils + +def main(): + m = int(argv[1]) + f = literal_eval(argv[2]) + qr = QuotientRing(f, m) + out = [ + [ rev.poly for rev in qr.reversibles ], + [ zero_div.poly for zero_div in qr.zero_divisors ], + [ nil.poly for nil in qr.nilpotent ], + [ idem.poly for idem in qr.idempotent ] + ] + print(*out, sep='\n') + +if __name__ == '__main__': main() \ No newline at end of file